# Contents

1. Section A: Count Groups of 11-20 Objects
1. 1.3: Introduce Number Race, 11–20
1. Warm-up: Number Talk: Add and Subtract 0 and 1
2. 2.3: Centers: Choice Time
1. Warm-up: Notice and Wonder: Pile of Connecting Cubes
2. 3.2: Count Carefully with Friends
3. 3.3: Introduce Find the Pair, Make 5
1. Warm-up: Notice and Wonder: Lots of Dots
2. 4.2: Count, Rearrange, Recount
3. 4.3: Introduce Tower Build, Count and Build to 20
4. Section A Summary
5. Section A Practice Problems
2. Section B: 10 Ones and Some More
1. Warm-up: Estimation Exploration: Connecting Cubes
2. 5.1: How Many Fingers?
3. 5.2: How Many Dots in 10-frames?
4. 5.3: Introduce Grab and Count, Pattern Blocks
1. Warm-up: How Many Do You See: 5 and Some More
2. 6.2: Fingers to 10-frames
3. 6.3: Revisit Number Race, Numbers 11–20
2. 7.3: Centers: Choice Time
1. Warm-up: How Many Do You See: Numbers on a 10-frame
2. 8.2: Make Each Number
1. 9.2: Equations and 10-frames
2. 9.3: Introduce Make or Break Apart Numbers, Numbers 11–19
1. Warm-up: What do you know about 15?
2. 10.1: What Is Missing?
3. 10.2: Make the Equations True
4. 10.3: Centers: Choice Time
5. Section B Summary
6. Section B Practice Problems
3. Section C: Count Groups of 11–20 Images
1. 11.1: Find 10 Ones to Count
2. 11.2: Color to Match Expressions
3. 11.3: Centers: Choice Time
1. Warm-up: Which One Doesn’t Belong: Tons of Tens
2. 12.1: Count Images in Organized Arrangements
3. 12.2: Count in Circles
4. 12.3: Introduce Find the Pair, Make 10
5. Section C Summary
1. Warm-up: How Many Do You See: Fingerprints or Animals?
2. 13.1: Fingerprint Zoo Book Pages
3. Section C Practice Problems
4. Glossary